Remote Code Execution Vulnerability in Fail2ban's Postfix Filter
CVE-2013-7176
Currently unrated
What is CVE-2013-7176?
The vulnerability arises in the Fail2ban configuration file for the Postfix filter, where improper regular expression design allows remote attackers to exploit the system. By crafting a specific email address, they can inadvertently trigger the blocking of arbitrary IP addresses, leading to potential denial-of-service scenarios and unauthorized access. Users are advised to upgrade to Fail2ban version 0.8.11 or later to mitigate these risks.
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